... 1.Model:PH-4.5 2.Capacity:1.5-4.5kg 3.With drum,spring and also safety lock 4.Good in ... balance,safety and competetive price Capacity:1.5-4.5kgsWire rope stroke:1.3m Features 1. ... , covered with corrosion proof paint, surface is smooth.4. The balancer provided with load dial, constructed of ... of working load, it can measure the value accurately.5. Balancer drum (cone pulley) has rational structure, ...